How can I suspend my Ubuntu 20.04 system?

suspend

Solution 1:

I finally found the solution... I added the "suspend button" at power off/logout buttons and my PC now can enter suspend state. But at first, after clicking to wake it up my monitor was remaining black.

My graphisc card is Nvidia Geforce 450 ts, so I installed the 390 driver and now everything is okay and with maximum resolution also... Hope that helps...

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